Eisen stepped up to his workbench and looked at the materials laid out before him. Sitting at the table in the corner of the room was Ambriel, the angel who Eisen had imprisoned. They were initially the guide angel that had led him throughout the heavens during his visit there, but toward the end, he had fought again them. After the defeat, Ambriel was banished from heaven. Instead of just leaving them to roam around the world without anything restraining them, Eisen decided to take responsibility for them. However, due to their aggressive and uncooperative nature, they had been temporarily imprisoned.